Beating Static Buildup in UV Printing

Anyone who is printing onto plastic-based substrates with a UV-curing inkjet printer has encountered the problem of static buildup. Static electricity is the result of an imbalance between positive and negative charges. These charges build up on the surface of an object until they find a way to be released or discharged.

In the realm of digital printing, there is sometimes a charge imbalance between substrate and ink, causing printing defects due to attraction and repulsion. Ink particles are attracted to the charged areas of the substrate like a magnet, deflecting them from their intended path. This results in printing complications such as clogged nozzles, dust attraction, and overspray. To prevent this issue, the substrate needs to be neutralized prior to printing to assure the ink stays on target, providing consistent, high-quality output.

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